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Geolocation
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Author - title
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Year
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| details | Late Permian | Mongolian Republic | Amantov,V.A. et al. On the continental Permo-Triassic deposits of Central Mongolia (Khangai Highlands). | 1959 | |
| details | Late Permian | Mongolian Republic | Amantov,V.A. et al. On the continental Permo-Triassic deposits of Central Mongolia (Khangai Highlands). | 1959 | |
| details | Late Carboniferous | Bulgaria | Chernyavska,S. Palynological study of Coal from the Zalenigrad Mine, Belograd Region. | 1960 |